Are these the TASCO educational stamp booklets? Making booklets such as these today would be much harder since many of the different stamp types and varieties used in them have become much harder to find and they have gone up in price. Here's a website that has information on them:
http://www.junior-philatelists.com/TASCO.shtmlThe closest more modern similar booklet with some stamps in them for comparison purposes is called "Tips on Types" by Robbin Dick.